body{
    background: #f3f3f3;
}
.msg-item{
    display: flex;
    margin: 20px 10px;
    justify-content: space-between;
}
.msg-item>img{
    height: 40px;
    margin-right: 10px;
}
.msg-item>div>p{
    display: flex;
    justify-content: space-between;
    font-size: 16px;
}
.msg-item>div>p>span{
    font-size: 14px;
    color: #999;
    margin-bottom: 5px;
}
.msg-item>div>div{
    font-size: 15px;
    background: #fff;
    padding: 10px;
    line-height: 22px;
}